is a can opener a simple or compound machine
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is a can opener a simple or compound machine
is a can opener a simple machine
what simple machine is a can opener
what is a can opener
how to make a can opener
using a can opener properly
how to use a can opener wikihow
simple manual can opener
put a can opener to good use
how to properly use a can opener
hand operated can opener
how to work a can opener
how to use mechanical can opener
can opener definition and uses
one hand can opener
does the can opener work
is a can opener a simple or compound machine, is a can opener a simple machine, what simple machine is a can opener, what is a can opener, how to make a can opener, using a can opener properly, how to use a can opener wikihow, simple manual can opener, put a can opener to good use, how to properly use a can opener, hand operated can opener, how to work a can opener, how to use mechanical can opener, can opener definition and uses, one hand can opener, does the can opener work